/*******************************************************************************
* Copyright (c) 2008-2011 Chair for Applied Software Engineering,
* Technische Universitaet Muenchen.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
******************************************************************************/
package org.eclipse.emf.emfstore.server.model.versioning.operations.provider;
import java.util.Collection;
import java.util.List;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.IItemPropertySource;
import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.ViewerNotification;
import org.eclipse.emf.emfstore.server.model.versioning.operations.AttributeOperation;
import org.eclipse.emf.emfstore.server.model.versioning.operations.OperationsPackage;
/**
* This is the item provider adapter for a {@link org.eclipse.emf.emfstore.server.model.versioning.operations.AttributeOperation} object.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public class AttributeOperationItemProvider extends FeatureOperationItemProvider implements IEditingDomainItemProvider,
IStructuredItemContentProvider, ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource {
/**
* This constructs an instance from a factory and a notifier.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public AttributeOperationItemProvider(AdapterFactory adapterFactory) {
super(adapterFactory);
}
/**
* This returns the property descriptors for the adapted class.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
if (itemPropertyDescriptors == null) {
super.getPropertyDescriptors(object);
addOldValuePropertyDescriptor(object);
addNewValuePropertyDescriptor(object);
}
return itemPropertyDescriptors;
}
/**
* This adds a property descriptor for the Old Value feature.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
protected void addOldValuePropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_AttributeOperation_oldValue_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_AttributeOperation_oldValue_feature", "_UI_AttributeOperation_type"),
OperationsPackage.Literals.ATTRIBUTE_OPERATION__OLD_VALUE,
true,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the New Value feature.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
protected void addNewValuePropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_AttributeOperation_newValue_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_AttributeOperation_newValue_feature", "_UI_AttributeOperation_type"),
OperationsPackage.Literals.ATTRIBUTE_OPERATION__NEW_VALUE,
true,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
null));
}
// begin of custom code
/**
* @param object the object
* @return This returns the image.
* @generated NOT
*/
@Override
public Object getImage(Object object) {
return overlayImage(object, getResourceLocator().getImage("full/obj16/AttributeOperation.png"));
}
// end of custom code
/**
* {@inheritDoc} This returns the label text for the adapted class. <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated NOT
*/
@Override
public String getText(Object object) {
if (object instanceof AttributeOperation) {
AttributeOperation op = (AttributeOperation) object;
String oldValue;
String newValue;
if (op.getFeatureName().equals("description")) {
oldValue = (op.getOldValue() == null) ? null : ((String) op.getOldValue());
newValue = (op.getNewValue() == null) ? null : ((String) op.getNewValue());
} else {
oldValue = (op.getOldValue() == null) ? null : op.getOldValue().toString();
newValue = (op.getNewValue() == null) ? null : op.getNewValue().toString();
}
String elemNameAndClass = getModelElementClassAndName(op.getModelElementId());
if (oldValue == null && newValue == null) {
return "Unset " + op.getFeatureName() + " in " + elemNameAndClass;
} else if (oldValue == null && newValue != null) {
return "Set " + op.getFeatureName() + " in " + elemNameAndClass + " to \"" + trim(newValue) + "\"";
} else if (oldValue != null && newValue == null) {
return "Unset " + op.getFeatureName() + " in " + elemNameAndClass + " from previous value \""
+ trim(oldValue) + "\"";
} else {
return "Set " + op.getFeatureName() + " in " + elemNameAndClass + " from \"" + trim(oldValue)
+ "\" to \"" + trim(newValue) + "\"";
}
}
return super.getText(object);
}
/**
* This handles model notifications by calling {@link #updateChildren} to update any cached children and by creating
* a viewer notification, which it passes to {@link #fireNotifyChanged}. <!-- begin-user-doc --> <!-- end-user-doc
* -->
*
* @generated
*/
@Override
public void notifyChanged(Notification notification) {
updateChildren(notification);
switch (notification.getFeatureID(AttributeOperation.class)) {
case OperationsPackage.ATTRIBUTE_OPERATION__OLD_VALUE:
case OperationsPackage.ATTRIBUTE_OPERATION__NEW_VALUE:
fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
return;
}
super.notifyChanged(notification);
}
/**
* This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
* that can be created under this object.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
super.collectNewChildDescriptors(newChildDescriptors, object);
}
}